* Support secret_token for setWebHook api
* Revert configuration YAML changes; generate and store secret token instead
* Reformat codes
* Revert storage of secret token; use ephemeral secret token instead
* Reformat
* Update homeassistant/components/telegram_bot/webhooks.py
* Fix when header is not present
* Check for non-empty token
* Fix tests to support secret token
* Add tests for invalid secret token
* Minor: remove comment
* Revert back to 401
* ... and for tests
* Change patching method for the generation of secret tokens
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Co-authored-by: Erik Montnemery <erik@montnemery.com>
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